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A rambler gate in Gloucestershire. A rambler gate is a self-closing footpath barrier that is in common use in some parts of Britain. It is designed to allow pedestrians to pass but to provide an effective barrier to livestock. It resembles a squeeze stile but the gap can be expanded by pushing a pair of pivot posts apart. The pivot posts will ...
Intermatic Incorporated is an American manufacturer of time switches headquartered in Spring Grove, Illinois. Intermatic was founded in 1891 in Chicago, Illinois as the International Register Company to produce fare registers .
The timer may switch equipment on, off, or both, at a preset time or times, after a preset interval, or cyclically. A countdown time switch switches power, usually off, after a preset time. A cyclical timer switches equipment both on and off at preset times over a period, then repeats the cycle; the period is usually 24 hours or 7 days.
Dogs (in the form of pawls) are used on extension ladders to temporarily anchor their sections to one-another. [3] Table saw Pawls are used on table saws to prevent a workpiece being sawn from kicking back. [4] Transmission A parking pawl is a device in an automobile automatic transmission which prevents it from moving when the vehicle is ...
Dogs are loaded from the rear, with a small window in the front door through which the dog can see the track and the mechanical lure. Once the lure has come around to a point a few meters behind the box, it passes a sensor which trips a switch to release the gates which swing upward to open, releasing the dogs. The opening gates start the race ...
Manual gates are sometimes hung in the manner of a normal gate (i.e. hinged horizontally). In some places, bar gates are installed across suburban streets as a traffic calming measure, preventing through traffic, while allowing authorised vehicles such as emergency services and buses to take advantage of the shorter and more direct route.
In engineering, a dog is a tool or part of a tool, such as a pawl, that prevents or imparts movement through physical engagement. [1] It may hold another object in place by blocking it, clamping it, or otherwise obstructing its movement.
Video of the rotor turning in an automatic wristwatch having a glass back, when the watch is moved by hand An automatic watch , also known as a self-winding watch or simply an automatic , is a mechanical watch where the natural motion of the wearer provides energy to wind the mainspring , making manual winding unnecessary if worn enough. [ 1 ]